// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// 
//     http://www.apache.org/licenses/LICENSE-2.0
// 
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

namespace GSpec.Framework
{
	using System;
	using System.Collections.Generic;

	using Gallio.Common.Collections;
	using Gallio.Common.Reflection;
	using Gallio.Framework.Pattern;

	[AttributeUsage(PatternAttributeTargets.ContributionMethod, AllowMultiple = false, Inherited = true)]
	public sealed class GivenAttribute : ContributionMethodPatternAttribute
	{
		/// <inheritdoc />
		protected override void DecorateContainingScope(IPatternScope containingScope, IMethodInfo method)
		{
			containingScope.TestBuilder.TestInstanceActions.DecorateChildTestChain.After(
				(testInstanceState, decoratedChildActions) =>
				decoratedChildActions.TestInstanceActions.SetUpTestInstanceChain.Before(
					delegate { testInstanceState.InvokeFixtureMethod(method, EmptyArray<KeyValuePair<ISlotInfo, object>>.Instance); }));
		}
	}
}